[POWERPC] Fix iSeries_hpte_insert prototype

Commit 1189be6508d45183013ddb82b18f4934193de274 ([POWERPC] Use 1TB
segments) added an argument to hpte_insert.

Also make iSeries_hpte_insert static.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/platforms/iseries/htab.c

@@ -39,9 +39,9 @@ static inline void iSeries_hunlock(unsigned long slot)
 	spin_unlock(&iSeries_hlocks[(slot >> 4) & 0x3f]);
 }
 
-long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
+static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
 			 unsigned long pa, unsigned long rflags,
-			 unsigned long vflags, int psize)
+			 unsigned long vflags, int psize, int ssize)
 {
 	long slot;
 	struct hash_pte lhpte;